Please kindly help to solve the X and show your detailed steps.
Thanks.
X(0.6)+(1-X)1.4 = 1.2
Solve Unknown
2008-12-14 10:18 am
回答 (2)
2008-12-14 10:26 am
✔ 最佳答案
0.6X + 1.4 - 1.4X = 1.21.4 - 0.8X =1.2
1.4 - 0.8X -1.4 = 1.2 - 1.4
-0.8X = -0.2
therefore X = -0.2 / -0.8
X = 0.25
參考: myself
2008-12-14 10:27 am
0.6X+1.4-1.4X=1.2
-0.8X+1.4-1.4=1.2-1.4
-0.8X=-0.2
-0.8X/-0.8=-0.2/-0.8
X=1/4
-0.8X+1.4-1.4=1.2-1.4
-0.8X=-0.2
-0.8X/-0.8=-0.2/-0.8
X=1/4
收錄日期: 2021-04-13 17:13:31
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081214000051KK00226